(music) Ionian mode

(music) Aeolian mode

(graphical user interface) A colour scheme with light text on a dark background.

plural of Phrygian mode

A testing/demonstration mode of mixing consoles where the controls methodically move by themselves. It is used both to create a visual spectacle and to prove that controls are not malfunctioning.

(mathematics) An eigenvector that has a vanishingly small eigenvalue

(computer graphics, historical) A non-standard display mode of VGA graphics hardware, having a resolution of 320 × 240 square pixels.

(video games, informal) A mode of play in roguelike games, allowing the player to create objects on demand, to be resurrected in the case of death, etc.

(physics) The use of mode-locked lasers to generate ultrashort pulses of light

plural of zero mode